Frink,N.T., Pirzadeh, S.Z, Parikh, P.C., Pandya, M.J., and Bhat, M.K.,

"The NASA Tetrahedral Unstructured Software System",The Aeronautical Journal,Vol. 104, No. 1040, October 2000, pp. 491-499. (Download Conference Paper)

VGRID Tetrahedral Grid GeneratorKania, L. and Pirzadeh, S. Z.,

"A Geometrically-Derived Background Function for Automated Unstructured Mesh Generation", AIAA 2005-5240, June 2005.Parikh, P., Pirzadeh, S., and Lohner, R.,

"A Package for 3-D Unstructured Grid Generation, Finite-Element Flow Solutions, and Flow-Field Visualization", NASA CR-182090, September 1990.Pirzadeh, S.,

"Recent Progress in Unstructured Grid Generation ", AIAA 92-0445, January 1992.Pirzadeh, S.,

"Structured Background Grids for Generation of Unstructured Grids by Advancing Front Method",AIAA Journal, Vol. 31, No. 2, February 1993, pp. 257-265.Pirzadeh, S.:

"Viscous Unstructured Three-Dimensional Grids by the Advancing-Layers Method", AIAA 94-0417, January 1994.Pirzadeh, S.:

"Unstructured Viscous Grid Generation by Advancing-Layers Method", AIAA 93-3453, August, 1993. Also,AIAA Journal, Vol. 32, No. 8, August 1994, pp. 1735-1737.Pirzadeh, S.,

"Three-Dimensional Unstructured Viscous Grids by the Advancing Front Method",AIAA Journal, Vol. 34, No. 1, January 1996, pp. 43-49.Pirzadeh, S.:

"Progress Toward A User-Oriented Unstructured Viscous Grid Generator", AIAA 96-0031, January 1996.Pirzadeh, S. Z.: "

An Adaptive Unstructured Grid Method by Grid Subdivision, Local Remeshing, and Grid Movement", AIAA 99-3255, June, 1999.

GridTool Graphic User InterfaceSamareh-Abolhassani, Jamshid,

"Unstructured Grid on NURBS Surfaces", AIAA-Paper 93-3454.Samareh-Abolhassani, Jamshid,

"Unstructured Surface Grid Generation",NASA CP-10119, pp. 223-251, September 1993.Samareh-Abolhassani, Jamshid,

"Triangulation of NURBS Surfaces", in Numerical Grid Generation in Computational Fluid Dynamics and Related Fields, ed. Weatherill, N. P., et. al., Pineridge Press, pp. 377-388, 1994.Samareh, J. A.:

"GridTool: A Surface Modeling and Grid Generation Tool",, NASA Lewis Research Center, Cleveland, OH, NASA CP-3291, 1995, May 9-11, 1995,Proceedings of the Workshop on Surface Modeling, Grid Generation, and Related Issues in CFD Solutions

USM3D Flow SolverAbdol-Hamid, K. S., Frink, N. T., Deere, K. A., and Pandya, M. J.:

"Propulsion Simulations Using Advanced Turbulence Models with the Unstructured-Grid CFD Tool, TetrUSS", AIAA 2004-0714, January 2004.Frink, N. T., Parikh, P., and Pirzadeh, S.,

"A Fast Upwind Solver for the Euler Equations on Three-Dimensional Unstructured Meshes", AIAA 91-0102, Jan. 1991.Frink, N. T.,

"Three-Dimensional Upwind Scheme for Solving the Euler Equations on Unstructured Tetrahedral Grids", Ph. D. Dissertation, Virginia Polytechnic Institute and State University, September 1991.Frink, N. T.:

"Upwind Scheme for Solving the Euler Equations on Unstructured Tetrahedral Meshes."AIAA Journal, Vol., No. 1, January, 1992, pp. 70-77.Frink, N. T.,

"Recent Progress Toward a Three-Dimensional Unstructured Navier-Stokes Flow Solver", AIAA 94-0061, January 1994.Frink, N. T.,

"Assessment of an Unstructured-Grid Method for Predicting 3-D Turbulent Viscous Flows", AIAA 96-0292, January 1996.Frink, N. T.,

"Tetrahedral Unstructured Navier-Stokes Method for Turbulent Flows",AIAA Journal, Vol. 36, No. 11, November 1998, pp. 1975-1982.Frink, N.T., Bonhaus, D.L., Vatsa, V.N., Bauer, S.X.S, Tinetti, A.F.,

"A Boundary Condition for Simulation of Flow Over Porous Surfaces",Journal of Aircraft, Vol. 40, No. 4, July-August 2003, pp. 692-698. (Download Conference Paper)Pandya, M. J.:

"Low-Speed Preconditioning for an Unstructured Grid Navier-Stokes Solver", AIAA 99-3134, June 1999.Pandya, M. J. and Frink, N. T.:

"Agglomeration Multigrid for an Unstructured-Grid Flow Solver", AIAA 2004-0759, January 2004.Pandya, M. J. Frink, N.T., Abdol-Hamid, K.S., and åÊChung, J.J.:

"Recent Enhancements to USM3D Unstructured Flow Solver for Unsteady Flows",AIAA 2004-5201, August, 2004.Pandya, M.J., Frink, N.T., and Noack, R.W.:

"Progress Toward Overset-Grid Moving Body Capability for USM3D Unstructured Flow Solver", AIAA 2005-5118, June 2005.Pandya, M.J., Abdol-Hamid, K.S., Campbell, R.L., and Frink, N.T., "Implementation of Flow Tripping Capabiliity in the USM3D Unstructured Flow Solver", AIAA 2006-0919.

Parikh, P.C.,

"Application of a Scalable, Parallel, Unstructured-Grid-Based Navier-Stokes Solver", AIAA 2001-2584, June 2001.Wang, Q., Massey, S. J., Abdol-Hamid, K. S., and Frink, N. T.,

"Solving Navier-Stokes Equations with Advanced Turbulence Models on Three-Dimensional Unstructured Grids", AIAA 99-1056, January 1999.Wang, Q., Massey, S. J., and Abdol-Hamid, K. S.,

"Implementation of Advanced Two Equation Turbulence Models in the USM3D Unstructured Flow Solver", NASA/CR-2000-210102, April 2000, pp. 36, (3.9MB)

Applications of TetrUSSBobskill, G. J., Parikh, P. C., Prabhu, R. K., and Tyler, E. D.:

" Aerodynamic Database Development of Mars Smart Lander Vehicle Configurations", AIAA 2002-4411, August 2002.Bonhaus, D. L. and Maddalon, D. V.:

"Assessment of an Euler-Interacting Boundary Layer Method Using High Reynolds Number Transonic Transport Flight Data", NASA/TP-1998-208461, August 1998Campbell, R., Carter, M., Pendergraft, O., Friedman, D., and L. Serrano, L.,

"Design and Testing of a Blended Wing Body with Boundary Layer Ingestion Nacelles at High Reynolds Numbers (Invited)", AIAA-2005-0459, January 2005.Campbell, R. L.:

"Efficient Viscous Design of Realistic Aircraft Configurations",AIAA 98-2539, June 1998.Carlsen, W.D.,

"Development of Transonic Area-Rule Methodology",Journal of Aircraft, Vol. 32, No. 5, pp. 692-698.Chaffin, M.S. and Pirzadeh, S.Z.,

"Unstructured Navier-Stokes High-Lift Computations on a Trapezoidal Wing", AIAA 2005-5084, June 2005.Deere, K.A. and Pandya, M.J.:

"Propulsion Simulations with the Unstructured-Grid CFD Tool TetrUSS",AIAA 2002-2980, June 2002.Dodbele, S. S.:

"Three Dimensional Aerodynamic Analysis of a High-Lift Transport Configuration" ,AIAA 93-3536, August, 1993.Fouladi, K.:

"Unstructured Grids for Sonic-Boom Analysis",AIAA 93-2929, July, 1993.Frink, N. T., Parikh, P., and Pirzadeh, S.,

"Aerodynamic Analysis of Complex Configurations using Unstructured Grids",AIAA 91-3292, September 1991.Frink, N. T., Pirzadeh, S., and Parikh, P.,

"An Unstructured-Grid Software System for Solving Complex Aerodynamic Problems" ,NASA CP-3291, pp. 289-308, May 9-11, 1995.Frink, N.T. and Pirzadeh, S.Z.:

"Tetrahedral Finite-Volume Solutions to the Navier-Stokes Equations on Complex Configurations"Int. J. Numer. Meth. Fluids31 pp. 175-187 (1999). Also as NASA/TM-1998-208961, , December 1998,(HTML Summary)Frink, N. T. and Pirzadeh, S.:

"Unstructured Navier-Stokes Analysis of Full TCA Configuration",NASA CP-1999-209692, Vol. 1, Part 1, December 1999, pp. 309-327.Frink, N. T., Allison, D. O., and Parikh, P. C.:

"Unstructured Navier-Stokes Analysis of Wind-Tunnel Aeroelastic Effects on TCA Model 2",NASA/CP-1999-209704/VOL1/PT1, December 1999, pp. 621-640Ghaffari, F.:

"On The Vortical-Flow Prediction Capability Of An Unstructured Grid Euler Solver",AIAA 94-0163, January, 1994.Ghaffari, F.,

"Unstructured Grid Euler Method Assessment for Longitudinal and Lateral/Directional Stability Analysis of the HSR Reference H Configuration at Transonic Speeds", NASA/TM-1999-209526, December 1999.Ghaffari, F.: "

Unstructured Grid Viscous Flow Simulation Over High-Speed Research Technology Concept Airplane at High-Lift Conditions", NASA TP 1999-209718, November 1999. (2.4Mb)Ghaffari, F.,

"Unstructured Grid Euler Method Assessment for Aerodynamic Performance Prediction of the Complete TCA Configuration at Supersonic Cruise Speed", NASA/CP-1999-209692, Vol. 1, Part 1, December 1999, pp. 287-307.Ghaffari, F., "

Unstructured Grid Euler Method Assessment for Longitudinal and Lateral/Directional Aerodynamic Performance Analysis of the HSR Technology Concept Airplane at Supersonic Cruise Speed", NASA/TP-1999-209543, December 1999.Goble, B.D. and Hooker, J.R.:

"Validation of an Unstructured Grid Euler/Navier-Stokes Code on a Full Aircraft with Propellers", AIAA 2001-1003, January, 2001.Green, B. and Chung, J.,

"CFD Predictions of the Stability and Control Characteristics of the Pre-Production F/A-18E", AIAA 2005-6122, Aug. 2005.Hooker, J.,

"Aerodynamic Development of a Refueling Pod for Tanker Aircraft", AIAA 2002-2805, June 2005.Hooker, J., Hoyle, D., and Bevis, D.,

"The Application of CFD for the Aerodynamic Developement of the C-5M Galaxy", AIAA 2006-0856, Jan. 2006.Hunter, C.A., Viken, S.A., Wood, R.M., and Bauer, S.X.S:

"Advanced Aerodynamic Design of Passive Porosity Control Effectores", AIAA 2001-0249, January 2001.Kern, S. and Bruner, C.:

"External Carriage Analysis of a Generic Finned-Store on the F-16 Using USM3D",AIAA Paper No. 96-2456, June 18-20, 1996.Kinard, T. A., and Harris, B. W.:

"Evaluation of Two Unstructured CFD Methods",AIAA 94-1877, June 1994.Kinard, T.A. and Raj, P.:

"Euler Technology Assessment for Preliminary Aircraft Design - compressibility Predictions by Employing the Unstructured Grid USM3D Code", NASA CR-4711, March 1996.Kinard, T.A., Finley, D.B., and Karman, S.L., Jr.:

"Prediction of Compressibility Effects Using Unstructured Euler Analysis on Vortex Dominated Flow Fields", AIAA 96-2499, June 1996.Kwon, O. J., and Hah, C.:

"Three-Dimensional Unstructured Grid Euler Method Applied to Turbine Blades", AIAA 93-0196, January, 1993.Kwon, O.J., and Hah, C.:

"Solution of the 3-D Navier-Stokes Equations with a Two-Equation Turbulence Model on Unstructured Meshes Applied to Turbomachinery", AIAA 94-1833, June 1994.Lessard, W. B.:

"Subsonic Analysis of 0.04-Scale F-16XL Models Using an Unstructured Euler Code", NASA TP 3597, 1996.Londenberg, W.K.:

"Computational Assessment of Aft-Body Closure for the HSR Reference H Configuration", NASA/CR-1999-209521, December 1999.Michal, T.R.:

"Unstructured Grid Assessment for Viscous Flow Simulations", Wright Laboratory Report WL-TR-97-3079, July 1997.Mineck, R.E.:

"Application of an Unstructured Grid Navier-Stokes Solver to a Generic Helicopter Body - Comparison of Unstructured Grid Results with Structured Grid Results and Experimental Results", NASA/TM-1999-209510, August 1999, pp. 52, (3MB)Niewoehner, R.J. and Filbey, J.,

"Computational Study of F/A-18 E/F Abrupt Wing Stall in the Approach Configuration",Journal of Aircraft, Vol. 42, No. 6, Nov-Dec 2005, pp. 1516-1522..Pandya, M. J., Bhat, M., and Parikh, P.:

"Application of Unstructured Grid Methodology to Rotorcraft Flows", AHS-97, Presented at the American Helicoptor Society Rotorcraft Acoustics and Aerodynamics Specialists Meeting, Williamsburg, Virginia, October 28-30, 1997.Parikh, P., Pirzadeh, S., and Frink, N. T.:

"Unstructured Grid Solutions to a Wing/Pylon/Store Configuration",Journal of Aircraft, Vol. 31, No. 6, November-December, 1994, pp. 1291-1296.Parikh, P. :

"Development of a Modular Aerodynamic Design System Based On Unstructured Grids", AIAA 97-0172, January 1997.Parikh, P., Engelund,W., Armand, S., and Bittner, R.,

"Evaluation of a CFD Method for Aerodynamic Database Development Using the Hyper-X Stack Configuration",AIAA 2004-5385, August 2004.Paresh C. Parikh and James Chung,

"A Computational Study of the Abrupt Wing Stall (AWS) Characteristics for Various Fighter Jets, Part I, F/A-18E and F-16C",åÊ AIAA 2003-0746, January 6-9, 2003Parikh, P. and Chung, J.,

"Computational Study of the Abrupt-Wing-Stall Characteritics of F/A-18E and F-16C",Journal of Aircraft, Vol. 42, May-June 2005, pp. 600-605.Pirzadeh, S.Z.:

"An Adaptive Unstructured Grid Method by Grid Subdivision, Local Remeshing, and Grid Movement", AIAA 99-3255, June 1999.Pirzadeh, S. Z. and Frink, N. T.: "

Assessment of the Unstructured-Grid Software TetrUSS for Drag Prediction on the DLR-F4 Configuration", AIAA 2002-0839, January 14-17, 2002.Potsdam, M. A., Intemann, G. A., Frink, N. T., Campbell, R. L., Smith, L. A.,and Pirzadeh, S.:

"Wing/Pylon Fillet Design Using Unstructured Mesh Euler Solvers", AIAA 93-3500, August, 1993.Raj, P., Kinard, T.A., and S.A. Vermeersch:

"Vortical Flow Simulation Using An Unstructured-Grid Euler Method", ICAS-96-1.4.5, Sorrento, Italy, September 8-13,1996.Raj, P.:

"An Assessment of Unstructured-Grid CFD Methods: COBALT, SPLITFLOW, and USM3D, A Lockheed Martin/Wright Laboratory Cooperative Study", Lockheed Report LG96ER0031, December 1996.Singh, K.P., Newman, J.C., III, and Baysal, O.:

"Dynamic Unstructured Method for Flows Past Multiple Objects in Relative Motion",AIAA 94-0058, January 1994.Singh, K.P., and Baysal, O.:

"3-D Unstructured Method for Flows Past Bodies in 6-DOF Relative Motion", 6th International Symposium of Comp. Flu. Dyn., Sept. 4-8, 1995Tsung, F._L., Loellbach, J., and Hah, C.:

"Developement of an Unsteady Unstructured Navier-Stokes Solver for Stator-Rotor Interaction", AIAA 96-2668, July 1996.Wai, J., Herling, W. W., and Muilenburg, D. A.,

"Analysis of a Joined-Wing Configuration", AIAA 94-0657, January 1994.Walsh, J. and Cenko, A.,

"USM3D Predictions of NMK-83 Trajectories from the CF-18 Aircraft", AIAA 2001-2431, June 2001.Woodson, S.H., Green, B.E., Chung, J.J., Grove, D.V., Parikh, P.C., and Forsythe, J.R.,

"Understanding Abrupt Wing Stall with Computational Fluid Dynamics",Journal of Aircraft, Vol. 42, No. 3, May-June 2005, pp. 578-585.Woodson, S. H. and Bruner, C. W. S. Bruner:

"Analysis of Unstructured CFD Codes for the Accurate Prediction of Aircraft Store Trajectories", AIAA 99-0123, January 1999.

Masters Thesis Based On USM3D

Ph.D. Dissertations Based On USM3DFrink, N. T.:

"Three-Dimensional Upwind Scheme for Solving the Euler Equations on Unstructured Tetrahedral Grids."Ph.D. dissertation, Virginia Polytechnic and State University, to be defended September 1991.Parikh, P., Pirzadeh, S., and Frink, N. T.:

"Unstructured Grid Solutions to a Wing/Pylon/Store Configuration Using VGRID3D/USM3D", AIAA 92-4572, August, 1992

Page Curator: Dr. Neal T. Frink (n.t.frink@larc.nasa.gov)